122212021021 has 8 divisors (see below), whose sum is σ = 130388759424. Its totient is φ = 114145037760.

The previous prime is 122212021007. The next prime is 122212021069. The reversal of 122212021021 is 120120212221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122212021021 - 2¹⁷ = 122211889949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122212020986 and 122212021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212021121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27436485 + ... + 27440938.

It is an arithmetic number, because the mean of its divisors is an integer number (16298594928).

Almost surely, 2^122212021021 is an apocalyptic number.

It is an amenable number.

122212021021 is a deficient number, since it is larger than the sum of its proper divisors (8176738403).

122212021021 is a wasteful number, since it uses less digits than its factorization.

122212021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54877571.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122212021021 its reverse (120120212221), we get a palindrome (242332233242).

The spelling of 122212021021 in words is "one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, twenty-one".